Heneb (formerly GGAT)
The Welsh archaeological trust that holds the Historic Environment Record for the area.
“Glamorgan-Gwent Archaeological Trust (GGAT)”
1990 record
GGAT’s archaeological assessment of Great House Farm, 1990 (cited in correspondence with Heneb) Source page
“GGAT02038s”
current record
HER record number for Great House Farm (kept by Heneb) Source page
“Heneb (formerly GGAT)”
2026 record
Heneb’s own replies, 2026 (refused 16 Oct 2026; says it is not FOIA-covered) Source page
“date of the GGAT → Heneb change”
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No record on the Wiki gives the date.